GeForce 945A vs Iris Pro Graphics P580

When choosing between GeForce 945A and Iris Pro Graphics P580, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 945A and Iris Pro Graphics P580.

GeForce 945A

Iris Pro Graphics P580 Check Price

Iris Pro Graphics P580 is a Laptop Graphics Card

Note: Iris Pro Graphics P580 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Pro Graphics P580 here:

Iris Pro Graphics P580 Laptops

Main Specs

	GeForce 945A	Iris Pro Graphics P580
Power consumption (TDP)	33 Watt	15 Watt
Interface	PCIe 3.0 x8	PCIe 3.0 x1
Memory type	GDDR5	DDR3L/LPDDR3/DDR4
Maximum RAM amount	1 GB	64 GB
Display Connectors	No outputs	No outputs
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GeForce 945A has 120% more power consumption, than Iris Pro Graphics P580.
GeForce 945A is connected by PCIe 3.0 x8, and Iris Pro Graphics P580 uses PCIe 3.0 x1 interface.
Iris Pro Graphics P580 has 63 GB more memory, than GeForce 945A.
GeForce 945A is used in Desktops, and Iris Pro Graphics P580 - in Laptops.
GeForce 945A is build with Maxwell architecture, and Iris Pro Graphics P580 - with Gen. 9 Skylake.
Core clock speed of GeForce 945A is 722 MHz higher, than Iris Pro Graphics P580.
GeForce 945A is manufactured by 28 nm process technology, and Iris Pro Graphics P580 - by 14 nm process technology.

Game benchmarks


high / 1080p	9−10	10−11
ultra / 1080p	5−6	6−7
QHD / 1440p	0−1	0−1
low / 720p	20−22	21−24
medium / 1080p	10−12	12−14
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 18% more, than GeForce 945A.
high / 1080p	14−16	16−18
ultra / 1080p	12−14	14−16
QHD / 1440p	0−1	0−1
low / 720p	30−35	35−40
medium / 1080p	16−18	18−20
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 15% more, than GeForce 945A.
low / 768p	45−50	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
GeForce 945A and Iris Pro Graphics P580 have the same average FPS in Call of Duty: Warzone.
low / 768p	160−170	170−180
medium / 768p	130−140	140−150
ultra / 1080p	65−70	70−75
QHD / 1440p	35−40	40−45
4K / 2160p	27−30	30−33
high / 768p	95−100	100−110
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 7% more, than GeForce 945A.
low / 768p	55−60	55−60
ultra / 1080p	24−27	27−30
medium / 1080p	45−50	45−50
The average gaming FPS of Iris Pro Graphics P580 in Cyberpunk 2077 is 2% more, than GeForce 945A.
low / 768p	90−95	90−95
medium / 768p	70−75	75−80
ultra / 1080p	40−45	45−50
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 4% more, than GeForce 945A.
high / 1080p	10−11	10−12
ultra / 1080p	10−11	10−12
4K / 2160p	4−5	4−5
low / 720p	24−27	27−30
medium / 1080p	10−12	12−14
The average gaming FPS of Iris Pro Graphics P580 in Far Cry 5 is 8% more, than GeForce 945A.
high / 1080p	16−18	18−20
ultra / 1080p	12−14	12−14
low / 720p	70−75	75−80
medium / 1080p	30−35	35−40
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 9% more, than GeForce 945A.
high / 1080p	14−16	16−18
ultra / 1080p	12−14	14−16
QHD / 1440p	3−4	4−5
low / 720p	30−35	35−40
medium / 1080p	18−20	18−20
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 12% more, than GeForce 945A.
low / 768p	60−65	65−70
medium / 768p	50−55	55−60
high / 1080p	16−18	18−20
ultra / 1080p	8−9	8−9
QHD / 1440p	0−1	0−1
The average gaming FPS of Iris Pro Graphics P580 in Grand Theft Auto V is 8% more, than GeForce 945A.
high / 1080p	6−7	6−7
ultra / 1080p	4−5	5−6
4K / 2160p	1−2	1−2
low / 720p	16−18	18−20
medium / 1080p	8−9	9−10
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 14% more, than GeForce 945A.
low / 768p	100−105	100−110
high / 1080p	95−100	−
ultra / 1080p	85−90	90−95
medium / 1080p	95−100	95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 3% more, than GeForce 945A.
high / 1080p	18−20	18−20
ultra / 1080p	14−16	14−16
low / 720p	35−40	40−45
medium / 1080p	18−20	20−22
The average gaming FPS of Iris Pro Graphics P580 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than GeForce 945A.
high / 1080p	12−14	12−14
ultra / 1080p	8−9	8−9
QHD / 1440p	0−1	0−1
low / 720p	16−18	18−20
medium / 1080p	12−14	12−14
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 8% more, than GeForce 945A.
low / 768p	30−35	35−40
medium / 768p	21−24	21−24
high / 1080p	10−12	12−14
ultra / 1080p	7−8	8−9
4K / 2160p	6−7	7−8
The average gaming FPS of Iris Pro Graphics P580 in The Witcher 3: Wild Hunt is 6% more, than GeForce 945A.
low / 768p	90−95	90−95
medium / 768p	50−55	50−55
ultra / 1080p	24−27	24−27
high / 768p	40−45	40−45
GeForce 945A and Iris Pro Graphics P580 have the same average FPS in World of Tanks.

Full Specs

	GeForce 945A	Iris Pro Graphics P580
Architecture	Maxwell	Gen. 9 Skylake
Code name	GM108	Skylake GT4e
Type	Desktop	Laptop
Release date	13 March 2015	1 September 2015
Pipelines	384	72
Core clock speed	1072 MHz	350 MHz
Boost Clock	1189 MHz	1100 MHz
Transistor count		189 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	28.54	75.60
Floating-point performance	903.2 gflops
Memory bus width	64 Bit
Memory clock speed	5012 MHz
Memory bandwidth	40.1 GB/s
Shared memory		+
DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.1.126	1.1.97
CUDA	5.0
Bitcoin / BTC (SHA256)	108 Mh/s
Quick Sync		+
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GeForce 945A vs Iris Pro Graphics P580

Iris Pro Graphics P580 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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